// Copyright (c) ZeroC, Inc.

package com.zeroc.IceGridGUI;

import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.prefs.Preferences;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.WindowConstants;

public class Main extends JFrame {
    public static void main(final String[] args) {
        // Initialize L&F in main thread before Swing is used
        try {
            if (System.getProperty("os.name").startsWith("Mac OS")) {
                System.setProperty("apple.laf.useScreenMenuBar", "true");
                System.setProperty(
                        "com.apple.mrj.application.apple.menu.about.name", "IceGrid GUI");

                // To catch Command+Q
                System.setProperty("apple.eawt.quitStrategy", "CLOSE_ALL_WINDOWS");

                UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
            } else if (System.getProperty("os.name").startsWith("Windows")) {
                UIManager.setLookAndFeel("com.jgoodies.looks.windows.WindowsLookAndFeel");
            }
            // TODO: Setting PlasticLookAndFeel trigger a crash when creating a JFileChooser.
            // else  // JGoodies L&F
            // {
            //    UIManager.setLookAndFeel("com.jgoodies.looks.plastic.PlasticLookAndFeel");
            // }
        } catch (Exception e) {
            System.err.println(e.toString());
            JOptionPane.showMessageDialog(
                    null, e.toString(), "Initialization failed", JOptionPane.ERROR_MESSAGE);
            System.exit(1);
        }

        SwingUtilities.invokeLater(
                () -> {
                    try {
                        // Create and set up the window.
                        new Main(args);
                    } catch (com.zeroc.Ice.LocalException e) {
                        JOptionPane.showMessageDialog(
                                null,
                                e.toString(),
                                "Initialization failed",
                                JOptionPane.ERROR_MESSAGE);
                        System.exit(1);
                    }
                });
    }

    Main(String[] args) {
        super("IceGrid GUI");
        javax.swing.ImageIcon icon = Utils.getIcon("/icons/16x16/grid.png");
        if (icon != null) {
            setIconImage(icon.getImage());
        }

        setDefaultCloseOperation(WindowConstants.DO_NOTHING_ON_CLOSE);
        addWindowListener(
                new WindowAdapter() {
                    @Override
                    public void windowClosing(WindowEvent e) {
                        if (_coordinator != null) {
                            if (_coordinator.needsSaving()) {
                                if (JOptionPane.showOptionDialog(
                                                Main.this,
                                                "The application has unsaved changes, if you exit all unsaved changes "
                                                        + "will be lost.\nExit and discard changes?",
                                                "Save application",
                                                JOptionPane.YES_NO_OPTION,
                                                JOptionPane.YES_NO_OPTION,
                                                null,
                                                null,
                                                null)
                                        == JOptionPane.YES_OPTION) {
                                    _coordinator.exit(0);
                                }
                            } else {
                                _coordinator.exit(0);
                            }
                        }
                    }
                });

        _coordinator = new Coordinator(this, args, Preferences.userRoot().node("IceGridGUI"));
        _coordinator.tryMigrateDataDirectory();
        _coordinator.showMainFrame();
    }

    private Coordinator _coordinator;
}
